MEDIUM Mounted Nylon Finishing Wheels are used as finishing wheels as they give a fine surface finish. Ideal for air tools and drills with a 6mm collet/chuck. Ideal for large areas, for blending in scratches and evening up the surface. Gives a really nice even satin finish. Interleaved versions are also available which contain abrasive emery cloth between the flaps. Suitable for use on Mild Steel, Stainless Steel & Aluminium 80mm x 30mm 6mm Spindle Available in Coarse, Medium, Fine & Very Fine Suitable for use on Mild Steel, Stainless Steel & Aluminium For use with Electric & Air Drill